#EFF29B#EFF29B

#EFF29B is a very light, moderate yellow. Relative luminance 0.842; OKLCH L 94.0% C 0.109 H 110.0°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#EFF29B
RGB	rgb(239, 242, 155)
HSL	hsl(62, 77%, 78%)
HSV	hsv(62, 36%, 95%)
CMYK	cmyk(1.2%, 0%, 36%, 5.1%)
CIE-LAB	lab(93.55, -13.74, 41.69)
CIE-LCH	lch(93.55, 43.89, 108.24°)
OKLab	oklab(93.96% -0.0373 0.1023)
OKLCH	oklch(93.96% 0.109 110)
XYZ	xyz(73.2658, 84.2228, 43.4010)
Luminance	0.8422 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF29B #9E9BF2

analogous

#F2C99B #EFF29B #C3F29B

triadic

#EFF29B #9BEFF2 #F29BEF

tetradic

#EFF29B #9BF2C9 #9E9BF2 #F29BC3

square

#EFF29B #9BF2C9 #9E9BF2 #F29BC3

split-complementary

#EFF29B #9BC3F2 #C99BF2

monochromatic

#DEE42F #E6EB65 #EFF29B #F8F9D1 #FBFBE4

Accessibility & contrast

On white

1.18

#EFF29B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#EFF29B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF29B

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF29B	#FFFFFF	#000000	##000000
##EFF29B	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB95

Deuteranopia (green-blind)

#FFEE9F

Tritanopia (blue-blind)

#FAE8DC

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff29b;
/* rgb */ color: rgb(239, 242, 155);
/* oklch */ color: oklch(94.0% 0.109 110.0);

Tailwind

colors: {
  custom: {
    50: '#f5f6b9',
    500: '#eff29b',
    950: '#000000',
  },
}

SCSS

$custom: #eff29b;
$custom-light: #f5f6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff29b",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 155
  },
  "hsl": {
    "h": 62.069,
    "s": 76.991,
    "l": 77.843
  },
  "oklch": {
    "l": 0.93955,
    "c": 0.10891,
    "h": 110
  },
  "luminance": 0.84222
}

Semantic roles & 50–950 ramp

primary

#EFF29B

secondary

#6561D0

accent

#0CD913

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF29B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →